Detailed Instructions: In this task, you are given a context and four options. Each option is a suggested ending for the context. You should read the context and pick the best ending for the context. Please answer with "A", "B", "C", and "D". 
Q: [header] How to connect ceiling fan wires [title] Turn off the power from the circuit or breaker box. [step] Read the inside of your breaker or circuit box and locate the switch that controls the power to your fan. Once you find the right switch, flip it to the off position. <sep> (A) [substeps] Turn on the power to both the circuit and the outlet. If the switch does not turn on its own, run your wires through the circuit. (B) However, do not turn it off until you're sure the circuit is completed and nothing is contributing to your fan's vibration. [substeps] Unless you're using an emergency screw-on, you may find just enough slack to move the switch to a new position, in which case turn it back on. (C) When it turns off, you are ready to use it as an outlet for your fan. [substeps] There are certain places on the circuit that are designed to conceal the wires rather than completely covering them. (D) It's important that the power running to the wires in your ceiling is off or you could electrocute yourself. [substeps] There is usually a schematic or table on the inside of your circuit breaker panel that will tell you what part of the house each circuit controls.
A:
D